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Elso O, Bivona AE, Aguilera E, Alvarez G, Sülsen VP, García Liñares GE. Enzymatic Synthesis of Austroeupatol Esters with Enhanced Antiprotozoal Activity. ACS Med Chem Lett 2024; 15:873-878. [PMID: 38894931 PMCID: PMC11181509 DOI: 10.1021/acsmedchemlett.4c00070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Austroeupatol, the principal diterpene isolated from the invasive shrub Austroeupatorium inulifolium, holds promise for structural diversification and biological assessment of its derivatives due to its abundant availability and high yield isolation. We propose an efficient enzymatic synthesis of a series of austroeupatol esters derived from aliphatic and heterocyclic carboxylic acids. Systematic optimization of reaction parameters, including enzyme type and quantity, acylating agent amount, solvent, and temperature, was conducted. Thermomyces lanuginosus lipase in cyclohexane at 55 °C, yielded esters with favorable conversion rates. Through enzymatic catalysis, mono- and diacylated derivatives were obtained, with a diacylation-monoacylation ratio influenced by temperature and acylating agent amount. The antiprotozoal activity of austroeupatol and all synthesized derivatives was evaluated, observing that acylation improved it. The 19-valeroyl, 19-indolylpropyl, and 19-octyl derivatives were the most potent compounds against Trypanosoma cruzi and Leishmania infantum, highlighting this approach as a valuable method for synthesizing austroeupatol derivatives as potential antiparasitic agents.
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Affiliation(s)
- Orlando
G. Elso
- Laboratorio
de Biocatálisis, Departamento de Química Orgánica
y UMYMFOR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-CONICET, Ciudad Universitaria, Pabellón 2, piso 3, C1428EGA Buenos Aires, Argentina
- Facultad
de Farmacia y Bioquímica, Cátedra de Farmacognosia, Universidad de Buenos Aires, Junín 954, piso 2, C1113AAD Buenos Aires, Argentina
| | - Augusto E. Bivona
- Instituto
de Microbiología y Parasitología Médica (IMPaM), Universidad de Buenos Aires-CONICET, Paraguay 2155, piso 13, C1121ABG Buenos Aires, Argentina
- Instituto
de Estudios de la Inmunidad Humoral (IDEHU), Universidad de Buenos Aires-CONICET, Junín 1113, piso 4, C1121A6B Buenos Aires, Argentina
| | - Elena Aguilera
- Grupo
de Química Orgánica Medicinal, Instituto de Química
Biológica, Facultad de Ciencias, Universidad de la República, 11400 Montevideo, Uruguay
| | - Guzman Alvarez
- Laboratorio
de Moléculas Bioactivas, Departamento de Ciencias Biológicas,
CENUR Litoral Norte, Universidad de la República, 60000 Paysandu, Uruguay
| | - Valeria P. Sülsen
- Facultad
de Farmacia y Bioquímica, Cátedra de Farmacognosia, Universidad de Buenos Aires, Junín 954, piso 2, C1113AAD Buenos Aires, Argentina
- Instituto
de Química y Metabolismo del Fármaco (IQUIMEFA), CONICET-Universidad de Buenos Aires, Junín 956, piso 2, C1113AAD Buenos Aires Argentina
| | - Guadalupe E. García Liñares
- Laboratorio
de Biocatálisis, Departamento de Química Orgánica
y UMYMFOR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires-CONICET, Ciudad Universitaria, Pabellón 2, piso 3, C1428EGA Buenos Aires, Argentina
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2
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Contribution to the chemodiversity of ex Cystoseira sp. - Gongolaria barbata and Ericaria crinita from the Adriatic Sea: Volatiles, fatty acids and major pigments. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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3
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Sousa IP, de Sousa Teixeira MV, Freitas JA, Ferreira AG, Pires LM, dos Santos RA, Constantino Gomes Heleno V, Furtado NAJC. Production of more potent anti‐Candida labdane diterpenes by biotransformation using Cunninghamella elegans. Chem Biodivers 2022; 19:e202100757. [DOI: 10.1002/cbdv.202100757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 01/28/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Ingrid P. Sousa
- Universidade de Sao Paulo Faculty of Pharmaceutical Sciences Avenida do Café, s/n FCFRP-USPBrasil 14040-903 Ribeirão Preto BRAZIL
| | - Maria V. de Sousa Teixeira
- Universidade de Sao Paulo Faculty of Pharmaceutical Sciences Avenida do Café, s/n FCFRP-USPBrasil 14040-903 Ribeirão Preto BRAZIL
| | - Jolindo A. Freitas
- Universidade de Sao Paulo Faculty of Pharmaceutical Sciences Av. do Café, s/n - School of Pharmaceutical Sciences 14040903 Ribeirão Preto BRAZIL
| | - Antônio G. Ferreira
- Universidade Federal de Sao Carlos Chemistry Rodovia Washington Luis s/n Km 235 13565-905 São Carlos BRAZIL
| | - Loren M. Pires
- Universidade de Franca Nucleus of Research in Sciences and Technology Av. Dr. Armando de Sáles Oliveira, 201 14404-600 Franca BRAZIL
| | - Raquel A. dos Santos
- Universidade de Franca Nucleus of Research in Science and Technology Av. Dr. Armando de Sáles Oliveira, 201 14404-600 Franca BRAZIL
| | - Vladimir Constantino Gomes Heleno
- Franca University: Universidade de Franca Nucleus of Research in Sciences and Technology Av. Dr. Armando de Sáles Oliveira, 201 14404-600 Franca BRAZIL
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Iobbi V, Brun P, Bernabé G, Dougué Kentsop RA, Donadio G, Ruffoni B, Fossa P, Bisio A, De Tommasi N. Labdane Diterpenoids from Salvia tingitana Etl. Synergize with Clindamycin against Methicillin-Resistant Staphylococcus aureus. Molecules 2021; 26:6681. [PMID: 34771089 PMCID: PMC8587691 DOI: 10.3390/molecules26216681] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 01/21/2023] Open
Abstract
Quorum-sensing (QS) is a regulatory mechanism in bacterial communication, important for pathogenesis control. The search for small molecules active as quorum-sensing inhibitors (QSI) that can synergize with antibiotics is considered a good strategy to counteract the problem of antibiotic resistance. Here the antimicrobial labdane diterpenoids sclareol (1) and manool (2) extracted from Salvia tingitana were considered as potential QSI against methicillin-resistant Staphylococcus aureus. Only sclareol showed synergistic activity with clindamycin. The quantification of these compounds by LC-MS analysis in the organs and in the calli of S. tingitana showed that sclareol is most abundant in the flower spikes and is produced by calli, while manool is the major labdane of the roots, and is abundant also in the leaves. Other metabolites of the roots were abietane diterpenoids, common in Salvia species, and pentacyclic triterpenoids, bearing a γ-lactone moiety, previously undescribed in Salvia. Docking simulations suggested that 1 and 2 bind to key residues, involved in direct interactions with DNA. They may prevent accessory gene regulator A (AgrA) binding to DNA or AgrA activation upon phosphorylation, to suppress virulence factor expression. The antimicrobial activity of these two compounds probably achieves preventing upregulation of the accessory gene regulator (agr)-regulated genes.
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Affiliation(s)
- Valeria Iobbi
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.I.); (R.A.D.K.); (P.F.)
| | - Paola Brun
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy; (P.B.); (G.B.)
| | - Giulia Bernabé
- Department of Molecular Medicine, University of Padova, Via Gabelli 63, 35121 Padova, Italy; (P.B.); (G.B.)
| | - Roméo Arago Dougué Kentsop
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.I.); (R.A.D.K.); (P.F.)
- Consiglio per la Ricerca e la Sperimentazione in Agricoltura–CREA Centro di ricerca Orticoltura e Florovivaismo, 18038 San Remo, Italy;
| | - Giuliana Donadio
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Salerno, Italy; (G.D.); (N.D.T.)
| | - Barbara Ruffoni
- Consiglio per la Ricerca e la Sperimentazione in Agricoltura–CREA Centro di ricerca Orticoltura e Florovivaismo, 18038 San Remo, Italy;
| | - Paola Fossa
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.I.); (R.A.D.K.); (P.F.)
| | - Angela Bisio
- Department of Pharmacy, University of Genova, Viale Cembrano 4, 16148 Genova, Italy; (V.I.); (R.A.D.K.); (P.F.)
| | - Nunziatina De Tommasi
- Department of Pharmacy, University of Salerno, Via Giovanni Paolo II 132, 84084 Salerno, Italy; (G.D.); (N.D.T.)
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Gao K, Zha WL, Zhu JX, Zheng C, Zi JC. A review: biosynthesis of plant-derived labdane-related diterpenoids. Chin J Nat Med 2021; 19:666-674. [PMID: 34561077 DOI: 10.1016/s1875-5364(21)60100-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Indexed: 11/16/2022]
Abstract
Plant-derived labdane-related diterpenoids (LRDs) represent a large group of terpenoids. LRDs possess either a labdane-type bicyclic core structure or more complex ring systems derived from labdane-type skeletons, such as abietane, pimarane, kaurane, etc. Due to their various pharmaceutical activities and unique properties, many of LRDs have been widely used in pharmaceutical, food and perfume industries. Biosynthesis of various LRDs has been extensively studied, leading to characterization of a large number of new biosynthetic enzymes. The biosynthetic pathways of important LRDs and the relevant enzymes (especially diterpene synthases and cytochrome P450 enzymes) were summarized in this review.
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Affiliation(s)
- Ke Gao
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Wen-Long Zha
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jian-Xun Zhu
- College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Cheng Zheng
- Zhejiang Institute for Food and Drug Control, NMPA Key Laboratory for Quality Evaluation of Traditional Chinese Medicine, Hangzhou 310052, China.
| | - Jia-Chen Zi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
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Design, Synthesis and In Vitro Experimental Validation of Novel TRPV4 Antagonists Inspired by Labdane Diterpenes. Mar Drugs 2020; 18:md18100519. [PMID: 33081023 PMCID: PMC7594054 DOI: 10.3390/md18100519] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/12/2020] [Accepted: 10/14/2020] [Indexed: 02/06/2023] Open
Abstract
Labdane diterpenes are widespread classes of natural compounds present in variety of marine and terrestrial organisms and plants. Many of them represents “natural libraries” of compounds with interesting biological activities due to differently functionalized drimane nucleus exploitable for potential pharmacological applications. The transient receptor potential channel subfamily V member 4 (TRPV4) channel has recently emerged as a pharmacological target for several respiratory diseases, including the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Inspired by the labdane-like bicyclic core, a series of homodrimane-derived esters and amides was designed and synthesized by modifying the flexible tail in position 1 of (+)-sclareolide, an oxidized derivative of the bioactive labdane-type diterpene sclareol. The potency and selectivity towards rTRPV4 and hTRPV1 receptors were assessed by calcium influx cellular assays. Molecular determinants critical for eliciting TRPV4 antagonism were identified by structure-activity relationships. Among the selective TRPV4 antagonists identified, compound 6 was the most active with an IC50 of 5.3 μM. This study represents the first report of semisynthetic homodrimane TRPV4 antagonists, selective over TRPV1, and potentially useful as pharmacological tools for the development of novel TRPV4 channel modulators.
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Fungal biocatalysts for labdane diterpene hydroxylation. Bioprocess Biosyst Eng 2020; 43:1051-1059. [PMID: 32020446 DOI: 10.1007/s00449-020-02303-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/27/2020] [Indexed: 01/23/2023]
Abstract
Labdane diterpenes and their derivatives have shown remarkable biological activities and are useful as chiral building blocks for the synthesis of a variety of bioactive compounds. There is great interest in developing biocatalyst technology to achieve regio- and stereoselective hydroxylation of unactivated C-H bonds in complex natural products, since the functionalization of unactivated C-H bonds generally requires hard reaction conditions and highly reactive oxidizing agents, which are limited regarding the control of regio- and stereoselectivity. Filamentous fungi are efficient biocatalysts capable of catalyzing a wide variety of hydroxylation reactions, and the use of whole cell biocatalysts provides advantages regarding cofactor regeneration and is much less expensive. Therefore, the goal of this study was to select biocatalysts to develop biotransformation processes that can be scalable under mild reaction conditions for hydroxylation of a labdane diterpene, 3β-acetoxy-copalic acid, which contains the trans-decalin moiety and a side chain dienic system appropriate for the preparation of a variety of compounds. Biotransformation processes were carried out and five filamentous fungi were selected as capable of producing hydroxylated diterpenes at positions C-3, C-6, C-7 and C-18 of the trans-decalin moiety and C-13 of the side chain dienic system. Hydroxylation reactions occurred with regio- and stereoselectivity by using some fungi that produced only the 6α, 7α and 13α-hydroxyl derivatives. The chemical structures of the hydroxylated diterpenes were determined from spectrometric and spectroscopic data, and the relative stereochemistry of stereogenic centers was established from coupling constants, by NOE-diff experiments and/or by computational calculations.
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Quantum chemical studies, vibrational analysis, molecular dynamics and docking calculations of some ent-kaurane diterpenes from Annona vepretorum: a theoretical approach to promising anti-tumor molecules. Struct Chem 2020. [DOI: 10.1007/s11224-020-01491-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Vo QV, Tam NM, Hieu LT, Van Bay M, Thong NM, Le Huyen T, Hoa NT, Mechler A. The antioxidant activity of natural diterpenes: theoretical insights. RSC Adv 2020; 10:14937-14943. [PMID: 35497147 PMCID: PMC9052119 DOI: 10.1039/d0ra02681f] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 04/02/2020] [Indexed: 01/18/2023] Open
Abstract
Diterpenes that were isolated from Crossopetalum gaumeri (Loes.) Lundell (Celastraceae) plants are reported to exhibit a range of biological activities, in particular as radical scavengers. Thus further insight into the antioxidant activity of diterpenes in physiological environments is much needed but not studied yet. In this study, the antioxidant activity of nine natural diterpenes was evaluated using kinetic and thermodynamic calculations. It was found that the sequential proton loss electron transfer (SPLET) mechanism is favored in polar environments, whereas formal hydrogen transfer (FHT) is the main pathway for the radical scavenging of these diterpenes in the gas phase as well as in lipid media. The rate constants for the HOO˙ radical scavenging of these compounds in the gas phase, polar and nonpolar solvents are in the range of 2.29 × 10−2 to 4.58 × 107, 9.74 × 10−3 to 1.67 × 108 and 3.54 × 10−5 to 1.31 × 105 M−1 s−1, respectively. 7-Deoxynimbidiol (6), exhibits the highest HOO˙ radical scavenging with koverall = 1.69 × 108 M−1 s−1 and 9.10 × 104 M−1 s−1 in water and pentyl ethanoate solvents, respectively, that is about 1300 times higher than that of Trolox in polar environments. It is thus a promising natural antioxidant in physiological environments. Diterpenes that were isolated from Crossopetalum gaumeri (Loes.) Lundell (Celastraceae) plants are reported to exhibit a range of biological activities, in particular as radical scavengers.![]()
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Affiliation(s)
- Quan V. Vo
- Institute of Research and Development
- Duy Tan University
- Danang 550000
- Vietnam
- Faculty of Chemical Technology - Environment
| | - Nguyen Minh Tam
- Computational Chemistry Research Group
- Ton Duc Thang University
- Ho Chi Minh City
- Vietnam
- Faculty of Applied Sciences
| | - Le Trung Hieu
- University of Sciences-Hue University
- Hue 530000
- Vietnam
| | - Mai Van Bay
- Department of Chemistry
- The University of Danang-
- University of Science and Education
- Danang 550000
- Vietnam
| | | | - Trinh Le Huyen
- Department of Applied Chemistry
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
- Department of Chemical Engineering
| | - Nguyen Thi Hoa
- Academic Affairs
- The University of Danang-University of Technology and Education
- Danang 550000
- Vietnam
| | - Adam Mechler
- Department of Chemistry and Physics
- La Trobe University
- Victoria 3086
- Australia
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Tran QTN, Wong WSF, Chai CLL. The identification of naturally occurring labdane diterpenoid calcaratarin D as a potential anti-inflammatory agent. Eur J Med Chem 2019; 174:33-44. [PMID: 31022551 DOI: 10.1016/j.ejmech.2019.04.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/28/2019] [Accepted: 04/10/2019] [Indexed: 10/27/2022]
Abstract
In this study we report, for the first time, the synthesis of the natural product calcaratarin D via a stereo- and regio-selective aldol condensation with (S)-β-hydroxy-γ-butyrolactone as key steps. A concise synthetic route (under 10 steps) to a series of structurally related normal-labdane diterpenes was also developed and their anti-inflammatory activities were evaluated in an in vitro model of inflammation. The structure-activity relationships (SARs) pertaining to the labdane scaffold were elucidated and results suggest that an α-alkylidene-β-hydroxy-γ-butyrolactone system is necessary for potent activity in the labdanes. Our studies identified the natural product calcaratarin D (1) as a promising anti-inflammatory agent, which effectively modulates the production of pro-inflammatory mediators (e.g., TNF-α, IL-6, NO) at both transcriptional and translational levels. These inhibitory effects are likely to occur via the suppression of nuclear factor kappa B (NF-κB) activation by reducing the p65 nuclear translocation but not its phosphorylation or protein expression. Calcaratarin D exhibited significantly greater inhibition of NF-κB activation than andrographolide, a well-known NF-κB inhibitor from the labdane family, suggesting that a normal-configuration labdane ring or the absence of hydroxyl groups at C-3 and C-19 positions is favorable for potent NF-κB inhibition. We further investigated the effects of calcaratarin D on the upstream signalling pathways and found that the compound selectively suppressed the LPS-induced activation of PI3K/Akt pathway without affecting much of the MAPK (i.e., ERK, JNK, and p38) activation. These findings demonstrate that calcaratarin D exerts its anti-inflammatory effects via a selective Akt-NF-κB-mediated mechanism and potentially offers a new therapeutic strategy for the management of inflammatory diseases.
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Affiliation(s)
- Quy T N Tran
- Department of Pharmacy, Faculty of Science, National University of Singapore, Block S4A, Level 3, 18 Science Drive 4, 117543, Singapore.
| | - W S Fred Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, 117600, Singapore; Life Science Institute, National University of Singapore, 117456, Singapore; SHARE, Molecular Mechanisms of Inflammatory Disease Interdisciplinary Research Group, Singapore; Drug Discovery and Optimization Platform, Medical Science Cluster, Yong Loo Lin School of Medicine, National University Health System, Singapore.
| | - Christina L L Chai
- Department of Pharmacy, Faculty of Science, National University of Singapore, Block S4A, Level 3, 18 Science Drive 4, 117543, Singapore; Drug Discovery and Optimization Platform, Medical Science Cluster, Yong Loo Lin School of Medicine, National University Health System, Singapore.
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de Sousa IP, Sousa Teixeira MV, Jacometti Cardoso Furtado NA. An Overview of Biotransformation and Toxicity of Diterpenes. Molecules 2018; 23:E1387. [PMID: 29890639 PMCID: PMC6100218 DOI: 10.3390/molecules23061387] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/01/2018] [Accepted: 06/05/2018] [Indexed: 12/20/2022] Open
Abstract
Diterpenes have been identified as active compounds in several medicinal plants showing remarkable biological activities, and some isolated diterpenes are produced at commercial scale to be used as medicines, food additives, in the synthesis of fragrances, or in agriculture. There is great interest in developing methods to obtain derivatives of these compounds, and biotransformation processes are interesting tools for the structural modification of natural products with complex chemical structures. Biotransformation processes also have a crucial role in drug development and/or optimization. The understanding of the metabolic pathways for both phase I and II biotransformation of new drug candidates is mandatory for toxicity and efficacy evaluation and part of preclinical studies. This review presents an overview of biotransformation processes of diterpenes carried out by microorganisms, plant cell cultures, animal and human liver microsomes, and rats, chickens, and swine in vivo and highlights the main enzymatic reactions involved in these processes and the role of diterpenes that may be effectively exploited by other fields.
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Affiliation(s)
- Ingrid P de Sousa
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
| | - Maria V Sousa Teixeira
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
| | - Niege A Jacometti Cardoso Furtado
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café, s/n, Ribeirão Preto, São Paulo 14040903, Brazil.
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